<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>您的注册验证码</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: #f9fafb;
            color: #374151;
            line-height: 1.6;
            padding: 20px 0;
        }
        
        .container {
            max-width: 600px;
            margin: 0 auto;
            background-color: #ffffff;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            overflow: hidden;
        }
        
        .header {
            background: linear-gradient(135deg, #4f46e5, #6366f1);
            padding: 30px 40px;
            color: white;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }
        
        .logo-icon {
            width: 40px;
            height: 40px;
            background-color: white;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            color: #4f46e5;
        }
        
        .logo-text {
            font-size: 22px;
            font-weight: 600;
        }
        
        .header-title {
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        
        .header-subtitle {
            opacity: 0.9;
            font-weight: 300;
        }
        
        .content {
            padding: 40px;
        }
        
        .greeting {
            font-size: 18px;
            margin-bottom: 20px;
            color: #1f2937;
        }
        
        .message {
            margin-bottom: 30px;
            color: #4b5563;
        }
        
        .message p {
            margin-bottom: 16px;
        }
        
        .code-container {
            background-color: #f3f4f6;
            border-radius: 8px;
            padding: 30px 20px;
            margin: 30px 0;
            text-align: center;
        }
        
        .code {
            font-size: 36px;
            font-weight: 700;
            letter-spacing: 8px;
            color: #4f46e5;
            margin: 0;
            font-family: 'Courier New', Courier, monospace;
        }
        
        .code-note {
            color: #6b7280;
            font-size: 14px;
            margin-top: 12px;
        }
        
        .instructions {
            background-color: #eff6ff;
            border-left: 4px solid #3b82f6;
            padding: 16px;
            border-radius: 0 6px 6px 0;
            margin: 25px 0;
        }
        
        .instructions-title {
            font-weight: 600;
            margin-bottom: 8px;
            color: #1e40af;
        }
        
        .instructions-list {
            padding-left: 20px;
        }
        
        .instructions-list li {
            margin-bottom: 8px;
        }
        
        .security-note {
            color: #6b7280;
            font-size: 14px;
            margin: 30px 0;
            padding: 15px;
            background-color: #fef2f2;
            border-radius: 6px;
            border: 1px solid #fee2e2;
        }
        
        .security-note strong {
            color: #dc2626;
        }
        
        .footer {
            padding: 25px 40px;
            background-color: #f9fafb;
            border-top: 1px solid #f3f4f6;
            text-align: center;
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 15px;
        }
        
        .footer-link {
            color: #4f46e5;
            text-decoration: none;
            font-size: 14px;
        }
        
        .footer-link:hover {
            text-decoration: underline;
        }
        
        .copyright {
            color: #9ca3af;
            font-size: 13px;
        }
        
        @media (max-width: 600px) {
            .container {
                border-radius: 0;
                box-shadow: none;
                width: 100%;
            }
            
            .header, .content, .footer {
                padding: 25px 20px;
            }
            
            .code {
                font-size: 28px;
                letter-spacing: 6px;
            }
            
            .footer-links {
                flex-direction: column;
                gap: 10px;
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <!-- 头部区域 -->
        <div class="header">
            <div class="logo">
                <div class="logo-icon">z</div>
                <div class="logo-text">zhiheng.lu</div>
            </div>
            <h1 class="header-title">完成您的注册验证</h1>
            <p class="header-subtitle">我们已收到您的注册申请，请使用下方验证码完成验证</p>
        </div>
        
        <!-- 内容区域 -->
        <div class="content">
            <p class="greeting">您好</p>
            <div class="message">
                <p>感谢您注册 <strong>zhiheng.lu</strong> 账户！为了确保是您本人操作并保护您的账户安全，请使用以下验证码完成注册流程。</p>
            </div>
            
            <!-- 验证码区域 -->
            <div class="code-container">
                <p class="code">872541</p>
                <p class="code-note">验证码有效期为 15 分钟，请尽快使用</p>
            </div>
            
            <!-- 操作指引 -->
            <div class="instructions">
                <p class="instructions-title">如何完成验证？</p>
                <ol class="instructions-list">
                    <li>返回注册页面，在"验证码"输入框中填写上方6位数字</li>
                    <li>点击"验证并完成注册"按钮</li>
                    <li>验证成功后，您将直接进入您的账户首页</li>
                </ol>
            </div>
            
            <!-- 安全提示 -->
            <p class="security-note">
                <strong>安全提示：</strong> 验证码是您账户安全的重要保障，请勿向任何第三方泄露。
            </p>
        </div>
        
        <!-- 页脚区域 -->
        <!-- <div class="footer">
            <div class="footer-links">
                <a href="#" class="footer-link">帮助中心</a>
                <a href="#" class="footer-link">隐私政策</a>
                <a href="#" class="footer-link">用户协议</a>
                <a href="#" class="footer-link">联系我们</a>
            </div>
            <p class="copyright">© 2023 SiteName. 保留所有权利。</p>
        </div> -->
    </div>
</body>
</html>